Home / 369,198.84-553,884.66-158,719.80

Finding the Fourth Proportional to 369,198.84, 553,884.66 and 158,719.80

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Solution

The fourth proportional to 369,198.84, 553,884.66 and 158,719.80 is: 238,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,198.84 : 553,884.66 = 158,719.80 : x
  2. Step 2: Convert to fraction form
    369,198.84/553,884.66 = 158,719.80/x
  3. Step 3: Cross multiply
    369,198.84x = 553,884.66 × 158,719.80
  4. Step 4: Simplify right side
    369,198.84x = 87,912,462,458.27
  5. Step 5: Solve for x
    x = 87,912,462,458.27/369,198.84
  6. Step 6: Final answer
    x = 238,116.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.